CVE-2026-43377

ksmbd: Don't log keys in SMB3 signing and encryption key generation

High · published May 8, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
25.6
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: Don't log keys in SMB3 signing and encryption key generation

When KSMBD_DEBUG_AUTH logging is enabled, generate_smb3signingkey() and

generate_smb3encryptionkey() log the session, signing, encryption, and

decryption key bytes. Remove the logs to avoid exposing credentials.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00334 · 25.6th percentile
Published
2026-05-08T14:21Z
EPSS history
Timeline
  • 08 MAY 14:21Z
    ksmbd: Don't log keys in SMB3 signing and encryption key generation
    cvelistv5